Active filter circuit with dynamically modifiable internal gain

Details Active filter circuit with dynamically modifiable internal gain Active filter circuit with dynamically modifiable internal gain

2007-02-20

2007-02-20

Ghebretinsae, Temesghen (Department: 2611)

Pulse or digital communications

Equalizers

C327S553000

Reexamination Certificate

active

10450804

ABSTRACT:
Techniques are provided for the implementation of a signal processing circuit (100) which expands the dynamic range of the signal processing circuit (100) without interrupting the output of the circuit. The techniques can receive an input signal (104), process the signal (104) through one of a plurality of dynamically modifiable signal processing circuits, and switch (130) to processing the signal through another of the plurality of signal processing circuits without disturbing the output of the system.

REFERENCES:
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patent: 5724433 (1998-03-01), Engebretson et al.
patent: 5798670 (1998-08-01), Lee
Blumenkrantz, “The analog floating point technique”, IEEE Symposium on Low Power Electronics, 1995, Oct. 9-11, 1995 pp. 72-73.
Tsividis, “Externally linear, time-invariant systems and their application to companding signal processors”, IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing, vol. 44, Issue 2, Feb. 1997 pp. 65-85.

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